Membrane separation apparatus

Details Membrane separation apparatus Membrane separation apparatus

1974-12-11

1976-06-22

Spear, Jr., Frank A.

Liquid purification or separation

Filter

Divided filtered, and unfiltered liquid passages

210487, 210493M, B01D 3100

Patent

active

039650120

ABSTRACT:
A membrane separation apparatus adapted for use in ultrafiltration is provided comprising a casing and a membrane unit enclosed therein, said membrane unit comprising a composite membrane folded flatly in zigzag relation to form a plurality of stacked layers defining a plurality of first flow channels in alternately interleaving relation thereto, said composite membrane being made of a flexible porous support and having a pair of selectively permeable membranes on opposite outer surfaces thereof and a second flow channel therebetween.

REFERENCES:
patent: 3401778 (1968-09-01), Hyrop
patent: 3442388 (1969-05-01), Pall
patent: 3757955 (1973-09-01), Leonard

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